It is time.

ui/ozone/platform/dri/crtc_controller.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ui/ozone/platform/dri/crtc_controller.h"
-
-#include "base/logging.h"
-#include "base/time/time.h"
-#include "ui/ozone/platform/dri/dri_wrapper.h"
-#include "ui/ozone/platform/dri/scanout_buffer.h"
-
-namespace ui {
-
-CrtcController::CrtcController(DriWrapper* drm,
-                               uint32_t crtc,
-                               uint32_t connector)
-    : drm_(drm),
-      crtc_(crtc),
-      connector_(connector),
-      saved_crtc_(drm->GetCrtc(crtc)),
-      is_disabled_(true),
-      page_flip_pending_(false),
-      time_of_last_flip_(0) {
-}
-
-CrtcController::~CrtcController() {
-  if (!is_disabled_) {
-    drm_->SetCrtc(saved_crtc_.get(), std::vector<uint32_t>(1, connector_));
-    UnsetCursor();
-  }
-}
-
-bool CrtcController::Modeset(const OverlayPlane& plane, drmModeModeInfo mode) {
-  if (!drm_->SetCrtc(crtc_,
-                     plane.buffer->GetFramebufferId(),
-                     std::vector<uint32_t>(1, connector_),
-                     &mode)) {
-    LOG(ERROR) << "Failed to modeset: error='" << strerror(errno)
-               << "' crtc=" << crtc_ << " connector=" << connector_
-               << " framebuffer_id=" << plane.buffer->GetFramebufferId()
-               << " mode=" << mode.hdisplay << "x" << mode.vdisplay << "@"
-               << mode.vrefresh;
-    return false;
-  }
-
-  current_planes_ = std::vector<OverlayPlane>(1, plane);
-  mode_ = mode;
-  pending_planes_.clear();
-  is_disabled_ = false;
-  page_flip_pending_ = false;
-
-  return true;
-}
-
-bool CrtcController::Disable() {
-  if (is_disabled_)
-    return true;
-
-  is_disabled_ = true;
-  page_flip_pending_ = false;
-  return drm_->DisableCrtc(crtc_);
-}
-
-bool CrtcController::SchedulePageFlip(const OverlayPlaneList& overlays) {
-  DCHECK(!page_flip_pending_);
-  DCHECK(!is_disabled_);
-  const OverlayPlane& primary = OverlayPlane::GetPrimaryPlane(overlays);
-  DCHECK(primary.buffer.get());
-
-  if (primary.buffer->GetSize() != gfx::Size(mode_.hdisplay, mode_.vdisplay)) {
-    LOG(WARNING) << "Trying to pageflip a buffer with the wrong size. Expected "
-                 << mode_.hdisplay << "x" << mode_.vdisplay << " got "
-                 << primary.buffer->GetSize().ToString() << " for"
-                 << " crtc=" << crtc_ << " connector=" << connector_;
-    return true;
-  }
-
-  if (!drm_->PageFlip(crtc_, primary.buffer->GetFramebufferId(), this)) {
-    LOG(ERROR) << "Cannot page flip: error='" << strerror(errno) << "'"
-               << " crtc=" << crtc_
-               << " framebuffer=" << primary.buffer->GetFramebufferId()
-               << " size=" << primary.buffer->GetSize().ToString();
-    return false;
-  }
-
-  page_flip_pending_ = true;
-  pending_planes_ = overlays;
-
-  for (size_t i = 0; i < overlays.size(); i++) {
-    const OverlayPlane& plane = overlays[i];
-    if (!plane.overlay_plane)
-      continue;
-
-    const gfx::Size& size = plane.buffer->GetSize();
-    gfx::RectF crop_rect = plane.crop_rect;
-    crop_rect.Scale(size.width(), size.height());
-    if (!drm_->PageFlipOverlay(crtc_,
-                               plane.buffer->GetFramebufferId(),
-                               plane.display_bounds,
-                               crop_rect,
-                               plane.overlay_plane)) {
-      LOG(ERROR) << "Cannot display on overlay: " << strerror(errno);
-      return false;
-    }
-  }
-
-  return true;
-}
-
-void CrtcController::OnPageFlipEvent(unsigned int frame,
-                                     unsigned int seconds,
-                                     unsigned int useconds) {
-  page_flip_pending_ = false;
-  time_of_last_flip_ =
-      static_cast<uint64_t>(seconds) * base::Time::kMicrosecondsPerSecond +
-      useconds;
-
-  current_planes_.clear();
-  current_planes_.swap(pending_planes_);
-}
-
-bool CrtcController::SetCursor(const scoped_refptr<ScanoutBuffer>& buffer) {
-  DCHECK(!is_disabled_);
-  cursor_buffer_ = buffer;
-  return drm_->SetCursor(crtc_, buffer->GetHandle(), buffer->GetSize());
-}
-
-bool CrtcController::UnsetCursor() {
-  bool state = drm_->SetCursor(crtc_, 0, gfx::Size());
-  cursor_buffer_ = NULL;
-  return state;
-}
-
-bool CrtcController::MoveCursor(const gfx::Point& location) {
-  DCHECK(!is_disabled_);
-  return drm_->MoveCursor(crtc_, location);
-}
-
-}  // namespace ui